$('.ma').click(function(){
			location.href = "The.html"
})
$(".lshz").click(function(){
							javascript :history.back(-1);
					})
$('.sez').click(function(){
			location.href = "shezi.html"
})
$('.chengs').click(function(){
			location.href = "chengshi.html"
})
$('.xiaoxi').click(function(){
			location.href = "answer all the questions.html"
})